JPWO2011158965A1 - KANSEI evaluation system, KANSEI evaluation method, and program - Google Patents

Abstract

As a sensibility evaluation system that highly estimates the sensibility of a subject from biological information, an acquisition unit that acquires sympathetic nervous system and parasympathetic nervous system responses as biological data, and candidates of sensibility factors held by the subject from the obtained biological data A biological data analysis unit for determining a group, a positive / negative analysis unit for determining whether the internal state of the subject is pleasant or unpleasant from information obtained from the subject, a biological data analysis unit, and a positive / negative A comprehensive evaluation unit that integrates the analysis results of the analysis unit and estimates the sensitivity comprehensively is provided.

Description

  The present invention relates to a sensitivity evaluation system, a sensitivity evaluation method, and a program for evaluating a sensitivity held by a subject.

In the conventional general sensitivity evaluation method, subjective evaluation using a questionnaire composed mainly of adjectives is used. However, the subjective evaluation method has a problem that the subject's intention is included, and a problem that it is difficult to extract the potential sensibility and its strength.
For example, the following patent documents can be cited as prior art for the above-mentioned problems.
As a first prior art, a usability evaluation apparatus described in Patent Document 1 will be described. This usability evaluation apparatus includes an operation input unit and a biological signal detection unit that detects brain waves. The usability evaluation device acquires the operation performed by the subject in response to the operation instruction, operates the evaluation target, measures the test subject's response to the operation result via the electroencephalogram, and the sensitivity felt by the operation of the test target of the test subject Strength is used for usability evaluation. More specifically, the function evaluation unit acquires an event-related potential from the brain wave after the operation of the evaluation target for the purpose of utilizing that the brain wave changes in time series according to the internal state of the subject, The ease of remembering, the degree of interest and the proficiency of each function are evaluated from the degree of change in amplitude and latency.
Moreover, the usability evaluation apparatus described in Patent Document 2 will be described as a second prior art. This usability evaluation apparatus measures an electroencephalogram as a biological signal of a subject as in Patent Document 1. The usability evaluation device detects the presence or absence of a disappointing signal (a brain wave signal peculiar when it does not occur as expected) from the detected brain wave in a predetermined time range after the operation of the evaluation target, and in the understanding level determination unit, Based on the presence / absence of a disappointment signal and the correctness of the user operation obtained from the operation correctness determination unit, the user's understanding of the device operation is determined.
As a third prior art, a biological information processing apparatus described in Patent Document 3 will be described. This biological information processing apparatus measures the biological information of a subject in a non-contact / non-constrained manner using imaging by a camera, and determines the psychological state and strength of the subject from the measured values. Further, in the biological information processing apparatus, the operation of the apparatus is determined in advance in correspondence with the read psychological state of the subject, and automatically operates based on the determined result.
Moreover, the mental state determination apparatus described in Patent Literature 4 will be described as a fourth prior art. This mental state determination device acquires physiological information and voice excitement level information related to a subject's excitement, and based on a correspondence table of mental states with respect to the relationship between physiological information and voice excitement level information stored in advance. The subject's mental state is determined. Patent Document 4 describes a method for acquiring various types of biological information. The voice excitement level information can also be regarded as one of the biological information reflecting the subject's unconsciousness.

JP 2007-052601 A JP 2006-023835 A JP 2006-115865 A JP 2007-296169 A

In the sensitivity evaluation method, in the conventional general subjective evaluation method, the intention of the subject is included, and it is difficult to extract the potential sensitivity and its strength. The above-described prior art evaluation methods using biometric data proposed as a solution to this need improvement in accuracy, or constrained the use of low-portability evaluation devices and the posture and movement of subjects There is a limit to the environment in which evaluation is required because measurement is required.
If the subject of improvement is illustrated, the said prior art will unambiguously judge sensitivity from the data after acquiring biometric data, and has a problem in accuracy. This is because even when the subject has potentially different emotions, only the same biological data can be obtained from the biological sensor, and this is not addressed.
The present invention provides a portable sensibility evaluation system that extracts potential sensibilities and their strengths more accurately than existing techniques in a method for evaluating sensibility of a subject.

  The sensitivity evaluation system according to the present invention includes, as biological data, an acquisition unit that acquires reactions of the sympathetic nervous system and the parasympathetic nervous system, and biological data analysis that determines a candidate group of sensitivity factors held by a subject from the obtained biological data A positive / negative analysis unit for determining whether the subject's internal state is pleasant or unpleasant from the information obtained from the subject, analysis of the biological data analysis unit and the positive / negative analysis unit And a comprehensive evaluation unit that integrates the results and estimates the sensibility comprehensively.

  ADVANTAGE OF THE INVENTION According to this invention, the portable sensitivity evaluation system which extracts the potential sensitivity and its intensity | strength more accurate than the existing technique with a subject's sensitivity evaluation method can be provided.

FIG. 1 is a block diagram showing the configuration of the first embodiment.
FIG. 2 is a flowchart showing the flow of processing of the first embodiment.
FIG. 3 is a block diagram showing the configuration of the second embodiment.
FIG. 4 is a block diagram showing another configuration of the second embodiment.
FIG. 5 is an explanatory diagram illustrating the reliability determination of the positive / negative determination according to the second embodiment.
FIG. 6 is a block diagram illustrating a configuration of the third embodiment.
7A to 7C are explanatory diagrams illustrating the relationship between the candidate group of sensitivity factors and the positive or negative determination result in the example.
8A to 8C are explanatory diagrams illustrating the relationship between a plurality of sensitivity factor candidate groups and positive and negative determination results in the example.

Next, embodiments for carrying out the invention will be described in detail with reference to the drawings.
FIG. 1 is a block diagram illustrating a configuration of an embodiment of a sensitivity evaluation system.
Referring to FIG. 1, the sensitivity evaluation system includes an input / output device 1, a biological data evaluation device 2, a positive / negative evaluation device 3, and a comprehensive evaluation device 4.
The input / output device 1 includes input means such as a mouse and a keyboard, and output means such as a display and a printer for displaying the results output from the comprehensive evaluation device 4. The input / output device 1 includes a sensor, a camera, a microphone, and the like that acquire autonomic nervous system biological data from a subject.
The biometric data evaluation device 2 includes a biometric data acquisition unit 21 and a biometric data analysis unit 22.
The biometric data acquisition unit 21 includes an interface circuit that captures biometric information including information on the reaction (activity level, etc.) of the sympathetic nervous system and the parasympathetic nervous system acquired from the subject, and a mechanism that quantifies and stores the captured information as biometric data. Is provided. The biological information of the sympathetic nervous system and the parasympathetic nervous system may be acquired separately from different living body parts (different body parts) or the same living body part by different methods.
The biological data analysis unit 22 includes a mechanism for determining a candidate group of sensibility factors held by the subject based on the biological data acquired by the biological data acquisition unit 21. The biological data analysis unit 22 may extract the candidate group of sensitivity factors by determining the biological data acquired from the sympathetic nervous system response and the biological data acquired from the parasympathetic nervous system response together. The candidate group of sensitivity factors may be extracted and sent to the comprehensive evaluation device 4. The biometric data analysis unit 22 may extract a candidate group of sensitivity factors according to the degree of reaction between the sympathetic nervous system and the parasympathetic nervous system obtained from the subject. In addition, the biometric data analysis unit 22 may extract a candidate group of sensitivity factors based on biometric data obtained at a plurality of different timings obtained from the subject. At this time, the average value, maximum value, minimum value, etc. of the degree of response of each nervous system during the measurement period are sent to the comprehensive evaluation device 4 in association with each extracted sensitivity candidate at each timing and its degree. Also good.
The positive / negative evaluation apparatus 3 includes a PN measurement unit 31 and a PN analysis unit 32.
The PN measurement unit 31 uses a text information, image, sound, sensor, etc. obtained from the subject via the input / output device 1 to capture information necessary for estimating the subject's pleasure and discomfort, and quantifies the captured information. It is equipped with a mechanism to make it hold.
The PN analysis unit 32 includes a mechanism for determining whether the internal state held by the subject is pleasant or uncomfortable based on the information acquired by the PN measurement unit 31. Alternatively, the PN analysis unit 32 has a mechanism for determining which stage the subject's internal state is pleasant and uncomfortable in multiple stages and based on the information acquired by the PN measurement unit 31.
Note that the PN analysis unit 32 may use a plurality of types of information obtained from the subject for the determination. In addition, at this time, it is preferable to acquire information for analyzing pleasantness and discomfort at a plurality of timings together with a plurality of types of information obtained from the subject. Of course, information of a single type of subject may be acquired and determined at a plurality of timings.
The comprehensive evaluation device 4 operates as a control unit that controls the operation of the entire sensitivity evaluation system. In addition, the comprehensive evaluation device 4 has a mechanism for integrating the analysis results of the biological data evaluation device 2 and the positive / negative evaluation device 3 to estimate the sensitivity and strength of the subject.
The estimation of the sensitivity of the subject performed by the comprehensive evaluation device 4 is performed by extracting the sensitivity corresponding to either positive or negative of the PN analysis unit 32 from the sensitivity factor candidate group obtained from the biological data analysis unit 22. There is a way. In addition, when positive-negative can be acquired in multiple stages, it is preferable to extract kansei candidates that match the stages.
In addition, the comprehensive evaluation device 4 extracts one or a plurality of sensibility candidates and their degrees in correspondence with the reaction of the sympathetic nervous system and the reaction of the parasympathetic nervous system, and the subject from the extracted types and degrees of sensibility. You may have a mechanism to calculate the "attraction" received during the evaluation.
Next, the overall operation of this embodiment will be described in detail.
FIG. 2 is a flowchart illustrating the process flow of the sensitivity evaluation system.
The comprehensive evaluation device 4 instructs the biological data evaluation device 2 and the positive / negative evaluation device 3 to start acquisition of information necessary for estimating the sensitivity and strength of the subject (step A1).
The biometric data acquisition unit 21 in the biometric data measuring device 2 captures images of the subject that can be handled as biometric information, outputs from various sensors, and the like via the input / output device 1, and uses the sympathetic nervous system reaction and the parasympathetic nervous system response to the living body. Data is converted into data (step B1).
The biometric data analysis unit 22 performs analysis processing on the biometric data acquired by the biometric data acquisition unit 21, and sends the sensitivity candidates held by the subject to the comprehensive evaluation device 4 (step B2).
Simultaneously with the above steps B1 and B2, the PN measurement unit 31 of the positive / negative evaluation apparatus 3 uses direct character information, image data, and sensors as information necessary for determining pleasantness and discomfort. The output is taken in, and the taken information is converted into data and held (step C1).
The PN analysis unit 32 analyzes the data acquired by the PN measurement unit 31, determines the level of comfort, discomfort, and necessity of the subject, and sends the result to the comprehensive evaluation device 4 (step C2).
The comprehensive evaluation device 4 obtains the respective analysis results from the biological data evaluation device 2 and the positive / negative evaluation device 3, and, from among the sensitivity candidates of the subject, results that match the degree of comfort, discomfort, and sensitivity of the subject. Is recorded and stored in the storage unit (step A2). At this time, the “attraction” may be calculated for the subject that caused the subject to change in sensitivity.
The comprehensive evaluation device 4 outputs the estimated sensitivity of the subject at the input / output device 1 (step A3).
As described above, according to the present embodiment, positive / negative determination is performed together with the analysis of biological data, and the results are associated with each other. A sensitivity evaluation method can be provided.
Next, the present invention will be described using the second embodiment.
In the present embodiment, the above-described configuration is different from positive / negative determination.
3 and 4 are block diagrams showing the configuration of the second exemplary embodiment of the present invention.
The positive / negative evaluation apparatus 3 shown in FIG. 3 acquires both or one of the sympathetic nervous system and parasympathetic nervous system biological data from the biological data evaluation apparatus 2, and associates the determination result with pleasant and uncomfortable determination results. Determine the reliability of. The reliability is used by the comprehensive evaluation device 4.
Since each biological data acquired by the biological data evaluation apparatus 2 can read the strength of the reaction between the sympathetic nervous system and the parasympathetic nervous system of the subject, when the positive / negative determination is performed, the sympathetic nervous system and the parasympathetic nerve at that time Improves the reliability of positive and negative judgments by associating changes in system responses. Of course, the measurement delay until the strength of the reaction between the sympathetic nervous system and the parasympathetic nervous system appears is considered.
In the configuration shown in FIG. 3, the determination is performed by the PN analysis unit 33. However, the reliability verification of the determination may be performed by the biometric data evaluation apparatus 2 as shown in FIG.
In this case, the biometric data analysis unit 23 acquires the determination result of pleasantness and discomfort from the positive / negative evaluation apparatus 3, and combines the biometric data of the sympathetic nervous system and the parasympathetic nervous system with one or both of the determination results. Determine the confidence level.
The verification of the reliability of the positive / negative determination result is exemplified below. In this example, the average value of pupil diameter over a period of time is used to measure "strength of interest / strength of stress" from the sympathetic nervous system, and the sensitivity of "degree of relaxation / degree of fatigue" from the parasympathetic nerve. It will be extracted. In this case, positive / negative evaluation is performed during the certain period, and the overall evaluation device 4 determines the sensitivity based on the result.
FIG. 5 is an explanatory diagram in which the strength of reaction of the sympathetic nervous system is used to verify the reliability of positive / negative determination. For simplicity, only the sympathetic nervous system is shown. For verification of reliability, it is also effective to use the sympathetic nervous system and the parasympathetic nervous system together, or to use only the parasympathetic nervous system. As shown in FIG. 5, the biological data evaluation apparatus 2 acquires pupil diameter data for a predetermined period (◯ in the graph) in order to acquire a candidate group of sensitivity factors. From the average pupil diameter, the strength of the candidate group of sensitivity factors during the period is calculated. At the same time, the positive / negative evaluation apparatus 3 performs positive / negative determination (Δ in the graph).
At this time, in the positive / negative determination, it is determined from the information obtained from the PN measurement unit 31 whether the subject is pleasant or uncomfortable. Along with the determination, the size of the biological data obtained from the pupil diameter when the information used for the determination is acquired is referred to. As the size, an average value, a maximum value, a variation value, or the like may be appropriately used according to the type of sensitivity. If the obtained sensitivity is “strong” and the value indicated by the pupil diameter at the time of determination is “strong”, the reliability is considered high.
On the other hand, even if the result is “strong”, if the value of the pupil diameter when performing a positive / negative evaluation means “weak”, it is positioned as low reliability.
It is also possible to align the timing of acquiring data for performing positive / negative evaluation and the timing of taking biometric data of the autonomic nervous system that uses a candidate group of sensitivity factors for extraction. In addition, for each candidate group of sensitivity factors to be extracted, the timing, frequency, and type of data to be collected may be switched.
In the above description, the reliability of the positive / negative determination result is verified by either the biological data analysis unit 23 or the PN analysis unit 33, but may be performed by the comprehensive evaluation device 4.
As described above, according to the present embodiment, the reliability of the positive / negative determination is determined and the analysis result of the biological data is associated with each other, so that the subject who extracts the accurate potential sensibility and its strength. Can be provided.
Next, the present invention will be described using still another embodiment.
In the present embodiment, feedback is added to the analysis of biological data and the positive / negative determination based on the sensitivity factor determined by the comprehensive evaluation device, and the accuracy is improved individually or in an integrated manner.
FIG. 6 is a block diagram showing the configuration of the third exemplary embodiment of the present invention.
The biological data analysis unit 24 according to the present embodiment receives the sensitivity factor estimated from the comprehensive evaluation device 4, and uses the estimated sensitivity factor and the biological data obtained from the biological data acquisition unit 21, so that a highly sensitive sensitivity factor candidate can be obtained. Determine the group.
As feedback, if the influence of both the sympathetic nervous system and the parasympathetic nerve is reflected in the determination of the first candidate group of sensitivity factors, the influence of one side is corrected in the determination of the candidate group of sensitivity factors from the next time To do. Further, as another feedback, the biometric data acquisition accuracy, method, and measurement device are adjusted so as to be suitable for acquisition of the sensitivity factor estimated by the comprehensive evaluation device 4.
Thereafter, a candidate group of sensitivity factors determined based on the reacquired biometric data is sent to the comprehensive evaluation device 4.
On the other hand, the PN analysis unit 34 receives the sensitivity factor determined from the comprehensive evaluation device 4, and determines the internal state of the subject with high accuracy from the estimated sensitivity factor and the information obtained from the PN measurement unit 31. .
The feedback may be performed in the same manner as the biological data analysis unit 24.
The feedback may be performed only on one side of the biological data analysis unit 24 and the PN analysis unit 34.
As described above, according to the present embodiment, the determination factor evaluation is performed by feeding back the sensitivity factors estimated by the comprehensive evaluation device 4, so that the reliability and accuracy of each determination are improved. As a result, a sensitivity evaluation method with improved reliability and accuracy of final sensitivity estimation can be provided.

Next, the operation of the present invention will be described using specific examples.
In the present embodiment, a new mobile phone model is handed over to the subject, and the degree of attraction for the new model is measured. In addition, as the biological data evaluation device 2, biological data related to the sympathetic nervous system and parasympathetic nervous system that can be measured non-invasively (non-invasive measurement) is non-contact, or cap type, glasses type, wristband type, etc. Consider the case of measuring with one or more portable measuring machines.
Examples of biological information sources include, but are not limited to, the pupil diameter and the temperature near the nostril. Others include brain waves, pulse waves from fingers, respiratory rate, sweating, blood pressure changes, and the like.
Examples of positive / negative analysis sources include the contents of answers to questions made to subjects, images of subjects, voices of subjects, and gestures of subjects.
As the biological data acquisition unit, for the pupil diameter, for example, the image data of the eye of the subject is acquired via the imaging unit. As for the temperature near the nostril, for example, thermography is used to measure and acquire a temperature by designating a certain region around the nose on the face. Others may be performed using a method of acquiring existing biological data such as brain wave measurement or pulse wave measurement. In addition, these biological information may be acquired for both the sympathetic nervous system and the parasympathetic nervous system at once, but in this example, they are acquired separately. For example, the sympathetic nervous system may be acquired at the pupil diameter, and the parasympathetic nervous system may be acquired at a temperature near the nostril. In another example, for example, the sympathetic nervous system may be measured by finger pulse wave measurement, and the parasympathetic nervous system may be acquired by brain wave alpha wave measurement.
For the pupil diameter, for example, an average standardized score of pupil diameter over a certain period of time is calculated, and the reaction of the parasympathetic system and its degree are determined based on the magnitude. For the temperature in the vicinity of the nostril, for example, the difference between the highest temperature and the lowest temperature in a certain time is calculated, and the response of the sympathetic nervous system is determined based on the difference. Further, the sympathetic nervous system reaction may be acquired from the pupil, and the number of breaths may be used as a scale for measuring the magnitude of the reaction.
In addition, since biological information is collected with a portable electroencephalograph, a clock-type pulse meter, or the like, even when the subject is moving, the atmosphere and the sensitivity to the subject at that time can be estimated. As a result, it is possible to accurately calculate attractiveness. This makes it possible to measure attractiveness, for example, while moving or outdoors.
By referring to the sympathetic nervous system, the biological data analyzer can determine the size and strength of the subject's current internal state, such as “desire”, “interest”, “excitement”, and “stress” . In addition, the biometric data analysis unit can determine the size and strength of “security”, “relaxation”, “fatigue”, etc. by referring to the parasympathetic nervous system.
Here, examples of sensitivity factor candidate groups to be determined are shown in FIGS. FIG. 7A shows an example in which the biometric data analysis unit determines a group of “interest and stress” as a candidate group of sensitivity factors. This determination may be made from a number of candidate groups of sensitivity factors based on sympathetic nervous system biological data, or may be extracted by other methods. FIG. 7B is an example of a candidate group of sensitivity factors determined by analysis of the parasympathetic nervous system. FIG. 7C is an example in which a candidate group of sensitive factors that are determined by analysis combining the sympathetic nervous system and the parasympathetic nervous system and that are strongly active are selected. As shown in FIGS. 7A to 7C, the candidate group of sensitivity factors includes at least two types of sensitivity factors corresponding to positive to negative.
A plurality of sensibility factors are mixed in the sympathetic nervous system and parasympathetic nervous system responses (size, movement, etc.) that can be acquired from the living body part (measurement target) via each portable measuring device. In addition, many living body parts are subjected to double control of the sympathetic nervous system and the parasympathetic nervous system.
It can also be said that the parasympathetic nervous system is active when the pupil diameter is contracted. However, it cannot be determined whether there is a sense of security and the parasympathetic nervous system is activated, or whether fatigue is accumulated and the parasympathetic nervous system is activated. Similarly, in the case of a dilated pupil diameter, for example, sympathy can be given to whether sensation is causing a “desire” if the product is desired when operating the product, or whether the product is responsive to stress. It cannot be judged from the active nervous system.
In the present invention, the separation is performed by the comprehensive evaluation device 4 with reference to the positive / negative degree of the subject.
The candidate groups of sensitivity factors illustrated in FIGS. 7A to 7C are divided by the comprehensive evaluation device 4 based on whether they are positive or negative, and are used for final sensitivity estimation. Instead, the comprehensive evaluation device 4 can select a sensitivity factor corresponding to the positive and negative degrees from the sensitivity factor candidate group. In this case, as illustrated in FIGS. 8A to 8C, a plurality of Kansei factors are arranged (10 types in the figure in the horizontal direction), and a set of Kansei Factor candidate groups corresponding to the degree of positive and negative respectively. do it.
In the example shown in FIGS. 8A to 8C, a plurality of sensitivity factors (5 or 10 types in the vertical direction in the figure) are also arranged in the degree of activity of the sympathetic nervous system and the parasympathetic nervous system. The tables illustrated in FIGS. 8A and 8B are used when the sensitivity factors of the sympathetic nervous system and the parasympathetic nervous system are separately determined. The table illustrated in FIG. 8C is used when determining the sympathetic nervous system and the parasympathetic nervous system together. In this table, the candidate group of sensitivity factors selected depending on the degree of activity changes. This is because, for example, when the sympathetic nerve is large and active and the paraswitching nerve is slightly active, and when the sympathetic nerve is large and active and the paraswitching nerve is inactive, the candidate group of the selected sensitivity factors is different. The sensitivity of the subject can be accurately extracted by the sensitivity evaluation system.
The positive / negative evaluation apparatus 3 extracts complementary information that supplements the determination of whether the reaction of the sympathetic nervous system / parasympathetic nervous system obtained by the biological data evaluation apparatus 2 is positive (a pleasant direction) or negative (an uncomfortable direction). The sensitivity evaluation system acquires supplementary information corresponding to the positive and negative degrees as necessary.
In the case of extracting pleasantness / discomfort from the questionnaire to the subject as the positive / negative evaluation device 3, for example, the PN measuring unit 31 makes an inquiry in consideration of “the subject is not burdened”, “no discomfort”, etc. , Remember the answer. To make it easy to answer the question, it should be recognized by “touching a predetermined position on a predetermined touch panel, etc.”, “moving a predetermined object”, “changing direction”, “predetermined operation”, etc. Good. For example, if you are positive, place it on the right. If you are positive, place it vertically. If it is positive, shake it.
The PN analysis unit 32 analyzes the answer to the question to the subject and determines whether the subject's feeling is pleasant or uncomfortable in binary or multistage.
In addition, for the extraction of pleasantness / discomfort from the facial expression of the subject, for example, the PN measurement unit 31 acquires the shape and movement of the facial muscle at the time of measurement, an image of the entire facial expression, etc., and the PN analysis unit 32 acquires the facial muscle of the facial muscle. What is necessary is just to judge whether a test subject's feeling is a pleasant direction or an unpleasant direction by a pattern recognition etc. in a binary or multistep about the whole form, a motion, and an expression.
The comprehensive evaluation device 4 integrates the results obtained from the biological data evaluation device 2 and the results obtained from the positive / negative evaluation device 3 to perform comprehensive evaluation.
In the biometric data regarding the sympathetic nervous system, when the sympathetic nervous system is activated, there are both a positive state such as “interested” and a negative state such as “strong stress”.
Similarly, in the biological data related to the parasympathetic nervous system, when the parasympathetic nervous system is activated, there are both a positive state such as “relaxed” and a negative state such as “large fatigue”.
In order to complement it, the comprehensive evaluation device 4 obtains a determination result regarding pleasure or discomfort from the positive / negative evaluation device 3 and its degree (complementary information together) as necessary, and from the biological data measurement device 2. The corresponding sensitivity factor is selected from the candidate group of sensitivity factors output by the determination of the autonomic nerve, and the sensitivity is estimated comprehensively. Thereafter, if necessary, feedback is added to the biological data evaluation device 2 and the positive / negative evaluation device 3 to improve the reliability of the estimated sensitivity. For example, if the sensitivity evaluation system estimates sensitivity related to the sympathetic nervous system and the parasympathetic nervous system, the parasympathetic nervous system is more active than the sympathetic nervous system, and it is positively evaluated and is estimated to be in a relaxed state. The parasympathetic nervous system biological data may be acquired through a measuring device suitable for measuring the degree of the relaxed state.
The biological data analysis unit may re-determine based on the degree of activity of the sympathetic nervous system by adding the relaxed state held by the subject from the biological data obtained from each biological part to the parasympathetic nervous system. In addition, the sensitivity evaluation system may operate so as to perform verification with a plurality of measurement devices in consideration of the measurement accuracy with respect to the sensitivity factor of the measurement device that has acquired the response from each living body part. In this way, the comprehensive evaluation device 4 can acquire the sensitivity relating only to the sympathetic nervous system, the sensitivity relating only to the parasympathetic nervous system, and the sensitivity relating to the sympathetic nervous system and the parasympathetic nervous system, as necessary.
The degree of attractiveness (attractive, want to buy, want, use, etc.) of the mobile phone is calculated based on the sensitivity candidates estimated from the sympathetic and parasympathetic responses and the degree thereof.
The calculation of attractiveness can be defined by dividing the definition of attractiveness into each factor and connecting and interdependent each factor.
For example, one of the main factors in the appeal of mobile phones is items related to operations such as “easy to understand”, “practical”, and “manipulate at will”. Also, “comfort” and “security” are important.
Another main factor in attraction is items that are triggered by desires and interests, such as “interesting”, “exciting”, “want to touch”, “want to show to others”.
These are called the operability factor and motivation factor, respectively. Each factor belonging to the operability factor and the motivation factor is scored in association with the sensibility estimated by the comprehensive evaluation device 4 to calculate a final attractive value.
The motivation factor is likely to reflect the reaction of the sympathetic nervous system. The manipulative factor is likely to reflect the reaction of the parasympathetic nervous system. In the sensitivity evaluation system, when the biological data analysis unit 22 analyzes the sympathetic nervous system and the parasympathetic nervous system, respectively, and sends the results to the comprehensive evaluation device 4, the operability factor is scored together with the overall attractiveness. The motivation factor can be scored. As a result, the sensitivity evaluation system can display a chart for each inherent factor from the reaction of the subject. In addition, the sensitivity evaluation system can cause a subject to operate a plurality of models and display the difference in attractiveness received between the received models on a chart.
It should be noted that the attractiveness calculation works effectively because each factor that becomes a conflicting evaluation is separated by positive / negative determination.
In addition, the sensitivity evaluation system can be used for a terminal suggestion system that displays a terminal that a subject desires with a potential sensitivity as a recommended terminal according to the determined sensitivity type or sensitivity.
Similarly, using the evaluation result from this system, for example, when it can be estimated that the subject feels more attractive for a certain content, give a high evaluation point for that content and the next time It is possible to provide a Web system that operates so as to be arranged so as to be easily accessible or to recommend and present similar content of the content.
As can be seen from the above description, for factors that can extract the sensitivity of the subject with sufficient accuracy from either the biological data evaluation apparatus 2 or the positive / negative evaluation apparatus 3, it is not necessary to associate both analysis results. it can.
Moreover, what is necessary is just to implement | achieve each apparatus (each part) of a sensitivity evaluation system using the combination of hardware and software. In the form in which hardware and software are combined, the sensitivity evaluation program is developed in the RAM, and each unit is realized as various means by operating hardware such as a control unit (CPU) based on the program. The program may be recorded on a storage medium and distributed. The program recorded on the recording medium is read into a memory via a wired, wireless, or recording medium itself, and operates a control unit or the like. Examples of the recording medium include an optical disk, a magnetic disk, a semiconductor memory device, and a hard disk.
In other words, the information processing apparatus that operates as the sensitivity evaluation system is based on the sensitivity evaluation program developed in the RAM, and the hardware is a comprehensive evaluation device, biological data evaluation device, positive / negative. It can be realized by operating as an evaluation device.
As described above, the sensitivity evaluation system to which the present invention is applied can extract a potential sensitivity that does not include an intention.
In addition, the sensibility that the subject intentionally wears can be detected by referring to the autonomic nervous system.
In addition, it becomes possible to isolate a candidate group of sensitivity factors obtained from biological information that could not be performed with existing technology. Similarly, it is possible to extract accurate sensibilities according to the degree of positiveness and negativeness from a group of potential sensibility factor candidates.
It should be noted that the specific configuration of the present invention is not limited to the above-described embodiments and examples, and modifications within a range not departing from the gist of the present invention are included in the present invention. For example, the first to third embodiments may be operated as appropriate.
According to the present invention, it is possible to extract a potential sensibility that does not include an intention for a system service by a flexible evaluation environment, and it is possible to provide feedback to system service development.
This application claims the priority on the basis of Japanese application Japanese Patent Application No. 2010-138556 for which it applied on June 17, 2010, and takes in those the indications of all here.

1 I / O device (I / O means)
2 Biological data evaluation device 21 Biological data acquisition unit (Biological data acquisition means)
22, 23, 24 Biological data analysis unit (biological data analysis means)
3 Positive / Negative Evaluation Equipment 31 PN Measurement Unit (PN Measurement Means)
32, 33, 34 PN analysis section (PN analysis means)
4 comprehensive evaluation equipment

  The present invention relates to a sensitivity evaluation system, a sensitivity evaluation method, and a program for evaluating a sensitivity held by a subject.

  In the conventional general sensitivity evaluation method, subjective evaluation using a questionnaire composed mainly of adjectives is used. However, the subjective evaluation method has a problem that the subject's intention is included, and a problem that it is difficult to extract the potential sensibility and its strength.

  For example, the following patent documents can be cited as prior art for the above-mentioned problems.

  As a first prior art, a usability evaluation apparatus described in Patent Document 1 will be described. This usability evaluation apparatus includes an operation input unit and a biological signal detection unit that detects brain waves. The usability evaluation device acquires the operation performed by the subject in response to the operation instruction, operates the evaluation target, measures the test subject's response to the operation result via the electroencephalogram, and the sensitivity felt by the operation of the test target of the test subject Strength is used for usability evaluation. More specifically, the function evaluation unit acquires an event-related potential from the brain wave after the operation of the evaluation target for the purpose of utilizing that the brain wave changes in time series according to the internal state of the subject, Evaluate the ease of remembering, the degree of interest, and the proficiency of each function based on the degree of change in amplitude and latency.

  Moreover, the usability evaluation apparatus described in Patent Document 2 will be described as a second prior art. This usability evaluation apparatus measures an electroencephalogram as a biological signal of a subject as in Patent Document 1. The usability evaluation device detects the presence or absence of a disappointing signal (a brain wave signal peculiar when it does not occur as expected) from the detected brain wave in a predetermined time range after the operation of the evaluation target, and in the understanding level determination unit, Based on the presence / absence of a disappointment signal and the correctness of the user operation obtained from the operation correctness determination unit, the user's understanding of the device operation is determined.

  As a third prior art, a biological information processing apparatus described in Patent Document 3 will be described. This biological information processing apparatus measures the biological information of a subject in a non-contact / non-constrained manner using imaging by a camera, and determines the psychological state and strength of the subject from the measured values. Further, in the biological information processing apparatus, the operation of the apparatus is determined in advance in correspondence with the read psychological state of the subject, and automatically operates based on the determined result.

  Moreover, the mental state determination apparatus described in Patent Literature 4 will be described as a fourth prior art. This mental state determination device acquires physiological information and voice excitement level information related to a subject's excitement, and based on a correspondence table of mental states with respect to the relationship between physiological information and voice excitement level information stored in advance. The subject's mental state is determined. Patent Document 4 describes a method for acquiring various types of biological information. The voice excitement level information can also be regarded as one of the biological information reflecting the subject's unconsciousness.

JP 2007-052601 A JP 2006-023835 A JP 2006-115865 A JP 2007-296169 A

In the sensitivity evaluation method, in the conventional general subjective evaluation method, the intention of the subject is included, and it is difficult to extract the potential sensitivity and its strength. The above-mentioned prior art evaluation methods using biological data proposed as a solution to this need to be improved in accuracy, or constrained the use of low-portability evaluation devices and the posture and movement of subjects. There is a limit to the environment in which the measurement is required and the evaluation is performed.
If the subject of improvement is illustrated, the said prior art will unambiguously judge sensitivity from the data after acquiring biometric data, and has a problem in accuracy. This is because even when the subject has potentially different emotions, only the same biological data can be obtained from the biological sensor, and this is not addressed.

  The present invention provides a portable sensibility evaluation system that extracts potential sensibilities and their strengths more accurately than existing techniques in a method for evaluating sensibility of a subject.

The sensitivity evaluation system according to the present invention includes an acquisition means for acquiring a sympathetic nervous system and / or parasympathetic nervous system reaction as biological data, and a biological body for determining a candidate group of sensitivity factors held by the subject from the obtained biological data. Data analysis means, positive / negative analysis means for determining whether the internal state of the subject is pleasant or unpleasant from the information obtained from the subject, the biological data analysis means, and the positive / negative analysis means And a comprehensive evaluation means for estimating the sensibility comprehensively by integrating the analysis results of the above, the candidate group of the sensibility factor corresponds to the activity intensity of the sympathetic nervous system and / or the parasympathetic nervous system, and the sensitivity factor The candidate group includes a plurality of candidates composed of sensitivity factors ranging from positive to negative .

  ADVANTAGE OF THE INVENTION According to this invention, the portable sensitivity evaluation system which extracts the potential sensitivity and its intensity | strength more accurate than the existing technique with a subject's sensitivity evaluation method can be provided.

It is a block diagram which shows the structure of 1st Embodiment. It is a flowchart which shows the flow of a process of 1st Embodiment. It is a block diagram which shows the structure of 2nd Embodiment. It is a block diagram which shows another structure of 2nd Embodiment. It is explanatory drawing explaining the reliability determination of the positive / negative determination of 2nd Embodiment. It is a block diagram which shows the structure of 3rd Embodiment. It is explanatory drawing which showed the relationship between the candidate group of the sensitivity factor in an Example, and the positive or negative determination result. It is explanatory drawing which showed the relationship between the candidate group of the sensitivity factor in an Example, and the positive or negative determination result. It is explanatory drawing which showed the relationship between the candidate group of the sensitivity factor in an Example, and the positive or negative determination result. It is explanatory drawing which showed the relationship between the candidate group of several sensitivity factors in an Example, and the positive and negative determination result. It is explanatory drawing which showed the relationship between the candidate group of several sensitivity factors in an Example, and the positive and negative determination result. It is explanatory drawing which showed the relationship between the candidate group of several sensitivity factors in an Example, and the positive and negative determination result.

  Next, embodiments for carrying out the invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram illustrating a configuration of an embodiment of a sensitivity evaluation system.
Referring to FIG. 1, the sensitivity evaluation system includes an input / output device 1, a biological data evaluation device 2, a positive / negative evaluation device 3, and a comprehensive evaluation device 4.

  The input / output device 1 includes input means such as a mouse and a keyboard, and output means such as a display and a printer for displaying the results output from the comprehensive evaluation device 4. The input / output device 1 includes a sensor, a camera, a microphone, and the like that acquire autonomic nervous system biological data from a subject.

The biometric data evaluation device 2 includes a biometric data acquisition unit 21 and a biometric data analysis unit 22.
The biometric data acquisition unit 21 includes an interface circuit that captures biometric information including information on the reaction (activity level, etc.) of the sympathetic nervous system and the parasympathetic nervous system acquired from the subject, and a mechanism that quantifies and stores the captured information as biometric data. Is provided. The biological information of the sympathetic nervous system and the parasympathetic nervous system may be acquired separately from different living body parts (different body parts) or the same living body part by different methods.
The biological data analysis unit 22 includes a mechanism for determining a candidate group of sensibility factors held by the subject based on the biological data acquired by the biological data acquisition unit 21. The biometric data analysis unit 22 may extract biosensor data obtained from the sympathetic nervous system response and biometric data obtained from the parasympathetic nervous system response to extract a candidate group of sensitivity factors separately. The candidate group of sensitivity factors may be extracted and sent to the comprehensive evaluation device 4. The biometric data analysis unit 22 may extract a candidate group of sensitivity factors according to the degree of reaction between the sympathetic nervous system and the parasympathetic nervous system obtained from the subject. In addition, the biometric data analysis unit 22 may extract a candidate group of sensitivity factors based on biometric data obtained at a plurality of different timings obtained from the subject. At this time, the average value, maximum value, minimum value, etc. of the degree of response of each nervous system during the measurement period are sent to the comprehensive evaluation device 4 in association with each extracted sensitivity candidate at each timing and its degree. Also good.

The positive / negative evaluation apparatus 3 includes a PN measurement unit 31 and a PN analysis unit 32.
The PN measurement unit 31 uses a text information, image, sound, sensor, etc. obtained from the subject via the input / output device 1 to capture information necessary for estimating the subject's pleasure and discomfort, and quantifies the captured information. It is equipped with a mechanism to make it hold.
The PN analysis unit 32 includes a mechanism for determining whether the internal state held by the subject is pleasant or uncomfortable based on the information acquired by the PN measurement unit 31. Alternatively, the PN analysis unit 32 has a mechanism for determining which stage the subject's internal state is pleasant and uncomfortable in multiple stages and based on the information acquired by the PN measurement unit 31.

  Note that the PN analysis unit 32 may use a plurality of types of information obtained from the subject for the determination. In addition, at this time, it is preferable to acquire information for analyzing pleasantness and discomfort at a plurality of timings together with a plurality of types of information obtained from the subject. Of course, information of a single type of subject may be acquired and determined at a plurality of timings.

  The comprehensive evaluation device 4 operates as a control unit that controls the operation of the entire sensitivity evaluation system. In addition, the comprehensive evaluation device 4 has a mechanism for integrating the analysis results of the biological data evaluation device 2 and the positive / negative evaluation device 3 to estimate the sensitivity and strength of the subject.

  The estimation of the sensitivity of the subject performed by the comprehensive evaluation device 4 is performed by extracting the sensitivity corresponding to either positive or negative of the PN analysis unit 32 from the sensitivity factor candidate group obtained from the biological data analysis unit 22. There is a way. In addition, when positive-negative can be acquired in multiple stages, it is preferable to extract kansei candidates that match the stages.

  In addition, the comprehensive evaluation device 4 extracts one or a plurality of sensibility candidates and their degrees in correspondence with the reaction of the sympathetic nervous system and the reaction of the parasympathetic nervous system, and the subject from the extracted types and degrees of sensibility. You may have a mechanism to calculate the "attraction" received during the evaluation.

  Next, the overall operation of this embodiment will be described in detail.

FIG. 2 is a flowchart illustrating the process flow of the sensitivity evaluation system.
The comprehensive evaluation device 4 instructs the biological data evaluation device 2 and the positive / negative evaluation device 3 to start acquisition of information necessary for estimating the sensitivity and strength of the subject (step A1).

The biometric data acquisition unit 21 in the biometric data measuring device 2 captures images of the subject that can be handled as biometric information, outputs from various sensors, and the like via the input / output device 1, and uses the sympathetic nervous system reaction and the parasympathetic nervous system response to the living body. Data is converted into data (step B1).
The biometric data analysis unit 22 performs analysis processing on the biometric data acquired by the biometric data acquisition unit 21, and sends the sensitivity candidates held by the subject to the comprehensive evaluation device 4 (step B2).

  Simultaneously with the above steps B1 and B2, the PN measurement unit 31 of the positive / negative evaluation apparatus 3 uses direct character information, image data, and sensors as information necessary for determining pleasantness and discomfort. The output is taken in, and the taken information is converted into data and held (step C1).

  The PN analysis unit 32 analyzes the data acquired by the PN measurement unit 31, determines the level of comfort, discomfort, and necessity of the subject, and sends the result to the comprehensive evaluation device 4 (step C2).

  The comprehensive evaluation device 4 obtains the respective analysis results from the biological data evaluation device 2 and the positive / negative evaluation device 3, and, from among the sensitivity candidates of the subject, results that match the degree of comfort, discomfort, and sensitivity of the subject. Is recorded and stored in the storage unit (step A2). At this time, the “attraction” may be calculated for the subject that caused the subject to change in sensitivity.

  The comprehensive evaluation device 4 outputs the estimated sensitivity of the subject at the input / output device 1 (step A3).

  As described above, according to the present embodiment, positive / negative determination is performed together with the analysis of biological data, and the results are associated with each other. A sensitivity evaluation method can be provided.

Next, the present invention will be described using the second embodiment.
In the present embodiment, the above-described configuration is different from positive / negative determination.
3 and 4 are block diagrams showing the configuration of the second exemplary embodiment of the present invention.
The positive / negative evaluation apparatus 3 shown in FIG. 3 acquires both or one of the sympathetic nervous system and parasympathetic nervous system biological data from the biological data evaluation apparatus 2, and associates the determination result with pleasant and uncomfortable determination results. Determine the reliability of. The reliability is used by the comprehensive evaluation device 4.
Since each biological data acquired by the biological data evaluation apparatus 2 can read the strength of the reaction between the sympathetic nervous system and the parasympathetic nervous system of the subject, when the positive / negative determination is performed, the sympathetic nervous system and the parasympathetic nerve at that time Improves the reliability of positive and negative judgments by associating changes in system responses. Of course, the measurement delay until the strength of the reaction between the sympathetic nervous system and the parasympathetic nervous system appears is considered.

In the configuration shown in FIG. 3, the determination is performed by the PN analysis unit 33. However, the reliability verification of the determination may be performed by the biometric data evaluation apparatus 2 as shown in FIG.
In this case, the biometric data analysis unit 23 acquires the determination result of pleasantness and discomfort from the positive / negative evaluation apparatus 3, and combines the biometric data of the sympathetic nervous system and the parasympathetic nervous system with one or both of the determination results. Determine the confidence level.

  The verification of the reliability of the positive / negative determination result is exemplified below. In this example, the average value of pupil diameter over a period of time is used to measure "strength of interest / strength of stress" from the sympathetic nervous system, and the sensitivity of "degree of relaxation / degree of fatigue" from the parasympathetic nerve. It will be extracted. In this case, positive / negative evaluation is performed during the certain period, and the overall evaluation device 4 determines the sensitivity based on the result.

FIG. 5 is an explanatory diagram in which the strength of reaction of the sympathetic nervous system is used to verify the reliability of positive / negative determination. For simplicity, only the sympathetic nervous system is shown. For verification of reliability, it is also effective to use the sympathetic nervous system and the parasympathetic nervous system together, or to use only the parasympathetic nervous system. As shown in FIG. 5, the biological data evaluation apparatus 2 acquires pupil diameter data for a predetermined period (◯ in the graph) in order to acquire a candidate group of sensitivity factors. From the average pupil diameter, the strength of the candidate group of sensitivity factors during the period is calculated. At the same time, the positive / negative evaluation apparatus 3 performs positive / negative determination (Δ in the graph).
At this time, in the positive / negative determination, it is determined from the information obtained from the PN measurement unit 31 whether the subject is pleasant or uncomfortable. Along with the determination, the size of the biological data obtained from the pupil diameter when the information used for the determination is acquired is referred to. As the size, an average value, a maximum value, a variation value, or the like may be appropriately used according to the type of sensitivity. If the obtained sensitivity is “strong” and the value indicated by the pupil diameter at the time of determination is “strong”, the reliability is considered high.
On the other hand, even if the result is “strong”, if the value of the pupil diameter when performing a positive / negative evaluation means “weak”, it is positioned as low reliability.

  It is also possible to align the timing of acquiring data for performing positive / negative evaluation and the timing of taking biometric data of the autonomic nervous system that uses a candidate group of sensitivity factors for extraction. In addition, for each candidate group of sensitivity factors to be extracted, the timing, frequency, and type of data to be collected may be switched.

  In the above description, the reliability of the positive / negative determination result is verified by either the biological data analysis unit 23 or the PN analysis unit 33, but may be performed by the comprehensive evaluation device 4.

  As described above, according to the present embodiment, the reliability of the positive / negative determination is determined and the analysis result of the biological data is associated with each other, so that the subject who extracts the accurate potential sensibility and its strength. Can be provided.

Next, the present invention will be described using still another embodiment.
In the present embodiment, feedback is added to the analysis of biological data and the positive / negative determination based on the sensitivity factor determined by the comprehensive evaluation device, and the accuracy is improved individually or in an integrated manner.

FIG. 6 is a block diagram showing the configuration of the third exemplary embodiment of the present invention.
The biological data analysis unit 24 according to the present embodiment receives the sensitivity factor estimated from the comprehensive evaluation device 4, and uses the estimated sensitivity factor and the biological data obtained from the biological data acquisition unit 21, so that a highly sensitive sensitivity factor candidate can be obtained. Determine the group.
As feedback, if the influence of both the sympathetic nervous system and the parasympathetic nerve is reflected in the determination of the first candidate group of sensitivity factors, the influence of one side is corrected in the determination of the candidate group of sensitivity factors from the next time To do. Further, as another feedback, the biometric data acquisition accuracy, method, and measurement device are adjusted so as to be suitable for acquisition of the sensitivity factor estimated by the comprehensive evaluation device 4.
Thereafter, a candidate group of sensitivity factors determined based on the reacquired biometric data is sent to the comprehensive evaluation device 4.

On the other hand, the PN analysis unit 34 receives the sensitivity factor determined from the comprehensive evaluation device 4, and determines the internal state of the subject with high accuracy from the estimated sensitivity factor and the information obtained from the PN measurement unit 31. .
The feedback may be performed in the same manner as the biological data analysis unit 24.

  The feedback may be performed only on one side of the biological data analysis unit 24 and the PN analysis unit 34.

  As described above, according to the present embodiment, the determination factor evaluation is performed by feeding back the sensitivity factors estimated by the comprehensive evaluation device 4, so that the reliability and accuracy of each determination are improved. As a result, a sensitivity evaluation method with improved reliability and accuracy of final sensitivity estimation can be provided.

Embodiment Next, the operation of the present invention will be described using a specific embodiment.
In the present embodiment, a new mobile phone model is handed over to the subject, and the degree of attraction for the new model is measured. In addition, as the biological data evaluation device 2, non-contact biological data on the sympathetic nervous system and parasympathetic nervous system that can be measured non-invasively, as necessary, such as cap type, glasses type, wristband type, etc. Consider the case of measuring with one or more portable measuring machines.
Examples of biological information sources include, but are not limited to, the pupil diameter and the temperature near the nostril. Others include brain waves, pulse waves from fingers, respiratory rate, sweating, blood pressure changes, and the like.
Examples of positive / negative analysis sources include the contents of answers to questions made to subjects, images of subjects, voices of subjects, and gestures of subjects.

  As the biological data acquisition unit, for the pupil diameter, for example, the image data of the eye of the subject is acquired via the imaging unit. As for the temperature near the nostril, for example, thermography is used to measure and acquire a temperature by designating a certain region around the nose on the face. Others may be performed using a method of acquiring existing biological data such as brain wave measurement or pulse wave measurement. In addition, these biological information may be acquired for both the sympathetic nervous system and the parasympathetic nervous system at once, but in this example, they are acquired separately. For example, the sympathetic nervous system may be acquired at the pupil diameter, and the parasympathetic nervous system may be acquired at a temperature near the nostril. In another example, for example, the sympathetic nervous system may be measured by finger pulse wave measurement, and the parasympathetic nervous system may be acquired by brain wave alpha wave measurement.

  For the pupil diameter, for example, an average standardized score of pupil diameter over a certain period of time is calculated, and the reaction of the parasympathetic system and its degree are determined based on the magnitude. For the temperature in the vicinity of the nostril, for example, the difference between the highest temperature and the lowest temperature in a certain time is calculated, and the response of the sympathetic nervous system is determined based on the difference. Further, the sympathetic nervous system reaction may be acquired from the pupil, and the number of breaths may be used as a scale for measuring the magnitude of the reaction.

  In addition, since biological information is collected with a portable electroencephalograph, a clock-type pulse meter, or the like, even when the subject is moving, the atmosphere and the sensitivity to the subject at that time can be estimated. As a result, it is possible to accurately calculate attractiveness. This makes it possible to measure attractiveness, for example, while moving or outdoors.

By referring to the sympathetic nervous system, the biological data analyzer can determine the size and strength of the subject's current internal state, such as “desire”, “interest”, “excitement”, and “stress” . In addition, the biometric data analysis unit can determine the size and strength of “security”, “relaxation”, “fatigue”, etc. by referring to the parasympathetic nervous system.
Here, examples of sensitivity factor candidate groups to be determined are shown in FIGS. FIG. 7A shows an example in which the biometric data analysis unit determines a group of “interest and stress” as a candidate group of sensitivity factors. This determination may be made from a number of candidate groups of sensitivity factors based on sympathetic nervous system biological data, or may be extracted by other methods. FIG. 7B is an example of a candidate group of sensitivity factors determined by analysis of the parasympathetic nervous system. FIG. 7C is an example in which a candidate group of sensitive factors that are determined by analysis combining the sympathetic nervous system and the parasympathetic nervous system and that are strongly active are selected. As shown in FIGS. 7A to 7C, the candidate group of sensitivity factors includes at least two types of sensitivity factors corresponding to positive to negative.

  A plurality of sensibility factors are mixed in the sympathetic nervous system and parasympathetic nervous system responses (size, movement, etc.) that can be acquired from the living body part (measurement target) via each portable measuring device. In addition, many living body parts are subjected to double control of the sympathetic nervous system and the parasympathetic nervous system.

  It can also be said that the parasympathetic nervous system is active when the pupil diameter is contracted. However, it cannot be determined whether there is a sense of security and the parasympathetic nervous system is activated, or whether fatigue is accumulated and the parasympathetic nervous system is activated. Similarly, in the case of dilated pupil diameter, as a sensibility, for example, when you operate a product, if you want the product, you are generating a craving, or if you are experiencing stress from the operability of the product It cannot be judged from the active nervous system.

  In the present invention, the separation is performed by the comprehensive evaluation device 4 with reference to the positive / negative degree of the subject.

The candidate groups of sensitivity factors illustrated in FIGS. 7A to 7C are divided by the comprehensive evaluation device 4 based on whether they are positive or negative, and are used for final sensitivity estimation. Instead, the comprehensive evaluation device 4 can select a sensitivity factor corresponding to the positive and negative degrees from the sensitivity factor candidate group. In this case, as illustrated in FIGS. 8A to 8C, a plurality of Kansei factors are arranged (10 types in the figure in the horizontal direction), and a set of Kansei Factor candidate groups corresponding to the positive and negative degrees respectively. do it.
In the example shown in FIGS. 8A to 8C, a plurality of sensitivity factors (5 or 10 types in the vertical direction in the figure) are also arranged in the degree of activity of the sympathetic nervous system and the parasympathetic nervous system. The tables illustrated in FIGS. 8A and 8B are used when the sensitivity factors of the sympathetic nervous system and the parasympathetic nervous system are separately determined. The table illustrated in FIG. 8C is used when determining the sympathetic nervous system and the parasympathetic nervous system together. In this table, the candidate group of sensitivity factors selected depending on the degree of activity changes. This is because, for example, when the sympathetic nerve is large and active and the paraswitching nerve is slightly active, and when the sympathetic nerve is large and active and the paraswitching nerve is inactive, the candidate group of the selected sensitivity factors is different. The sensitivity of the subject can be accurately extracted by the sensitivity evaluation system.

The positive / negative evaluation apparatus 3 extracts complementary information that supplements the determination of whether the reaction of the sympathetic nervous system / parasympathetic nervous system obtained by the biological data evaluation apparatus 2 is positive (a pleasant direction) or negative (an uncomfortable direction). The sensitivity evaluation system acquires supplementary information corresponding to the positive and negative degrees as necessary.
In the case of extracting pleasantness / discomfort from the questionnaire to the subject as the positive / negative evaluation device 3, for example, the PN measuring unit 31 makes an inquiry in consideration of “the subject is not burdened”, “no discomfort”, etc. , Remember the answer. To make it easy to answer the question, it should be recognized by “touching a predetermined position on a predetermined touch panel, etc.”, “moving a predetermined object”, “changing direction”, “predetermined operation”, etc. Good. For example, if you are positive, place it on the right. If you are positive, place it vertically. If it is positive, shake it.

The PN analysis unit 32 analyzes the answer to the question to the subject and determines whether the subject's feeling is pleasant or uncomfortable in binary or multistage.
In addition, for the extraction of pleasantness / discomfort from the facial expression of the subject, for example, the PN measurement unit 31 acquires the shape and movement of the facial muscle at the time of measurement, an image of the entire facial expression, etc., and the PN analysis unit 32 acquires the facial muscle of the facial muscle. What is necessary is just to judge whether a test subject's feeling is a pleasant direction or an unpleasant direction by a pattern recognition etc. in a binary or multistep about the whole form, a motion, and an expression.

The comprehensive evaluation device 4 integrates the results obtained from the biological data evaluation device 2 and the results obtained from the positive / negative evaluation device 3 to perform comprehensive evaluation.
In the biometric data regarding the sympathetic nervous system, when the sympathetic nervous system is activated, there are both a positive state such as “interested” and a negative state such as “strong stress”.
Similarly, in the biological data related to the parasympathetic nervous system, when the parasympathetic nervous system is activated, there are both a positive state such as “relaxed” and a negative state such as “large fatigue”.
In order to complement it, the comprehensive evaluation device 4 obtains a determination result regarding pleasure or discomfort from the positive / negative evaluation device 3 and its degree (complementary information together) as necessary, and from the biological data measurement device 2. The corresponding sensitivity factor is selected from the candidate group of sensitivity factors output by the determination of the autonomic nerve, and the sensitivity is estimated comprehensively. Thereafter, if necessary, feedback is added to the biological data evaluation device 2 and the positive / negative evaluation device 3 to improve the reliability of the estimated sensitivity. For example, if the sensitivity evaluation system estimates sensitivity related to the sympathetic nervous system and parasympathetic nervous system, the parasympathetic nervous system is more active than the sympathetic nervous system, and if it is positive evaluation and it is estimated that it is in a relaxed state. The parasympathetic nervous system biological data may be acquired through a measuring device suitable for measuring the degree of the relaxed state.

  The biological data analysis unit may re-determine based on the degree of activity of the sympathetic nervous system by adding the relaxed state held by the subject from the biological data obtained from each biological part to the parasympathetic nervous system. In addition, the sensitivity evaluation system may operate so as to perform verification with a plurality of measurement devices in consideration of the measurement accuracy with respect to the sensitivity factor of the measurement device that has acquired the response from each living body part. In this way, the comprehensive evaluation device 4 can acquire the sensitivity relating only to the sympathetic nervous system, the sensitivity relating only to the parasympathetic nervous system, and the sensitivity relating to the sympathetic nervous system and the parasympathetic nervous system, as necessary.

The degree of attractiveness (attractive, want to buy, want, use, etc.) of the mobile phone is calculated based on the sensitivity candidates estimated from the sympathetic and parasympathetic responses and the degree thereof.

The calculation of attractiveness can be defined by dividing the definition of attractiveness into each factor and connecting and interdependent each factor.
For example, one of the main factors in the appeal of mobile phones is items related to operations such as “easy to understand”, “practical”, and “manipulate at will”. Also, “comfort” and “security” are important.
Another main factor in attraction is items that are triggered by desires and interests, such as “interesting”, “exciting”, “want to touch”, “want to show to others”.
These are called the operability factor and motivation factor, respectively. Each factor belonging to the operability factor and the motivation factor is scored in association with the sensibility estimated by the comprehensive evaluation device 4 to calculate a final attractive value.

  The motivation factor is likely to reflect the reaction of the sympathetic nervous system. The manipulative factor is likely to reflect the reaction of the parasympathetic nervous system. In the sensibility evaluation system, when the biological data analysis unit 22 analyzes the sympathetic nervous system and the parasympathetic nervous system, respectively, and sends the result to the comprehensive evaluation device 4, the operability factor is scored together with the overall attractiveness. The motivation factor can be scored. As a result, the sensitivity evaluation system can display a chart for each inherent factor from the reaction of the subject. In addition, the sensitivity evaluation system can cause a subject to operate a plurality of models and display the difference in attractiveness received between the received models on a chart.

  It should be noted that the attractiveness calculation works effectively because each factor that becomes a conflicting evaluation is separated by positive / negative determination.

  In addition, the sensitivity evaluation system can be used for a terminal suggestion system that displays a terminal that a subject desires with a potential sensitivity as a recommended terminal according to the determined sensitivity type or sensitivity.

  Similarly, using the evaluation result from this system, for example, when it can be estimated that the subject feels more attractive for a certain content, give a high evaluation point for that content and the next time It is possible to provide a Web system that operates so as to be arranged so as to be easily accessible or to recommend and present similar content of the content.

  As can be seen from the above description, for factors that can extract the sensitivity of the subject with sufficient accuracy from either the biological data evaluation apparatus 2 or the positive / negative evaluation apparatus 3, it is not necessary to associate both analysis results. it can.

  Moreover, what is necessary is just to implement | achieve each apparatus (each part) of a sensitivity evaluation system using the combination of hardware and software. In the form in which hardware and software are combined, the sensitivity evaluation program is developed in the RAM, and each unit is realized as various means by operating hardware such as a control unit (CPU) based on the program. The program may be recorded on a storage medium and distributed. The program recorded on the recording medium is read into a memory via a wired, wireless, or recording medium itself, and operates a control unit or the like. Examples of the recording medium include an optical disk, a magnetic disk, a semiconductor memory device, and a hard disk.

  In other words, the information processing apparatus that operates as the sensitivity evaluation system is based on the sensitivity evaluation program developed in the RAM, and the hardware is a comprehensive evaluation device, biological data evaluation device, positive / negative. It can be realized by operating as an evaluation device.

  As described above, the sensitivity evaluation system to which the present invention is applied can extract a potential sensitivity that does not include an intention.

  In addition, the sensibility that the subject intentionally wears can be detected by referring to the autonomic nervous system.

  In addition, it becomes possible to isolate a candidate group of sensitivity factors obtained from biological information that could not be performed with existing technology. Similarly, it is possible to extract accurate sensibilities according to the degree of positiveness and negativeness from a group of potential sensibility factor candidates.

  It should be noted that the specific configuration of the present invention is not limited to the above-described embodiments and examples, and modifications within a range not departing from the gist of the present invention are included in the present invention. For example, the first to third embodiments may be operated as appropriate.

  According to the present invention, it is possible to extract a potential sensibility that does not include an intention for a system service by a flexible evaluation environment, and it is possible to provide feedback to system service development.

  This application claims the priority on the basis of Japanese application Japanese Patent Application No. 2010-138556 for which it applied on June 17, 2010, and takes in those the indications of all here.

1 I / O device (I / O means)
2 Biological data evaluation device 21 Biological data acquisition unit (Biological data acquisition means)
22, 23, 24 Biological data analysis unit (biological data analysis means)
3 Positive / Negative Evaluation Equipment 31 PN Measurement Unit (PN Measurement Means)
32, 33, 34 PN analysis section (PN analysis means)
4 comprehensive evaluation equipment

Claims (18)

As biometric data, an acquisition unit that acquires reactions of the sympathetic nervous system and the parasympathetic nervous system,
From the obtained biometric data, a biometric data analysis unit that determines a candidate group of sensibility factors held by the subject,
From the information obtained from the subject, a positive / negative analysis unit for determining whether the subject's internal state is pleasant or unpleasant,
A comprehensive evaluation unit that comprehensively estimates sensitivity by integrating the analysis results of the biological data analysis unit and the positive / negative analysis unit;
Kansei evaluation system characterized by having The sensibility evaluation system according to claim 1, wherein the acquisition unit acquires the sympathetic nervous system and the parasympathetic nervous system from separate living body parts. The biometric data analysis unit is configured to extract a candidate group of sensibility factors by determining the biometric data obtained from the sympathetic nervous system reaction and the biometric data obtained from the parasympathetic nervous system reaction. Item 3. The sensitivity evaluation system according to Item 2. The biometric data analysis unit separately determines biometric data obtained from a sympathetic nervous system reaction and biometric data obtained from a parasympathetic nervous system reaction, and extracts a candidate group of sensitivity factors, respectively. The sensitivity evaluation system according to claim 2. 5. The sensitivity evaluation system according to claim 3, wherein the biological data analysis unit determines a candidate group of sensitivity factors held by the subject based on biological data at a plurality of timings obtained from the subject.   6. The positive / negative analysis unit determines whether the subject is pleasant or uncomfortable based on information for analyzing a plurality of types of pleasant / discomfort obtained from the subject. Kansei evaluation system given in any 1 paragraph. The positive / negative analysis unit determines whether the subject is pleasant or uncomfortable based on information for analyzing pleasantness / discomfort at a plurality of timings obtained from the subject. Kansei evaluation system. The positive / negative analysis unit determines the reliability of the determination result by associating the determination result of pleasantness and discomfort with the acquired biometric data of the sympathetic nervous system and / or the parasympathetic nervous system. Item 8. The sensitivity evaluation system according to Item 7. The comprehensive evaluation unit extracts a corresponding sensibility based on a determination result obtained from the positive / negative analysis unit from a group of sensitivity factor candidates obtained from the biological data analysis unit. Thru | or 8, the sensitivity evaluation system as described in any one of 8. The comprehensive evaluation unit extracts the corresponding sensibilities from the sensitivity factor candidate group obtained from the biological data analysis unit based on the positive and negative degrees included in the determination result obtained from the positive / negative analysis unit. The sensitivity evaluation system according to any one of claims 6 to 8, wherein The comprehensive evaluation unit extracts the type of sensibility and the degree thereof corresponding to the reaction of the sympathetic nervous system and the reaction of the parasympathetic nervous system, respectively, and the subject is evaluating based on the extracted type of sensibility and the degree thereof. The sensitivity evaluation system according to claim 6, wherein the received “attraction” is calculated. The biological data analysis unit uses any one of a pupil diameter, a temperature near the nostril, and an electroencephalogram as biological data acquired from the sympathetic nervous system and / or the parasympathetic nervous system. The sensitivity evaluation system according to one item. The positive / negative analysis unit includes character information obtained as an answer to a question made to the subject, image information showing the subject, voice information obtained from the subject's voice, and gesture information of the subject. The sensibility evaluation system according to any one of claims 1 to 12, wherein a determination is made from either one or a combination as being pleasant or unpleasant, or a degree of pleasure or discomfort. Based on the determined sensitivity type and / or sensitivity level, the next information processing operation is set from the predetermined information processing operation options corresponding to the determined sensitivity type and / or sensitivity level. The sensibility evaluation system according to any one of claims 1 to 13, characterized by:   An operation is set from predetermined options based on the type of sensitivity and / or the strength of sensitivity determined by the sensitivity evaluation system according to any one of claims 1 to 14. Processing system. Obtaining sympathetic nervous system responses as biological data,
Obtain parasympathetic nervous system responses as biological data,
From the obtained biometric data, a candidate group of sensibility factors held by the subject is determined,
From the information obtained from the subject, it is determined whether the subject's internal state is pleasant or unpleasant,
A sensitivity evaluation method characterized in that sensitivity is estimated from a candidate group of sensitivity factors obtained by determination based on the determined pleasure and discomfort. The control unit of the information processing device
A biological data analysis unit that determines a candidate group of sensibility factors held by the subject from the biological data obtained from the acquisition unit that acquires the reaction of the sympathetic nervous system and the parasympathetic nervous system;
From the information obtained from the subject, a positive / negative analysis unit for determining whether the subject's internal state is pleasant or unpleasant,
A sensitivity evaluation program that operates as a comprehensive evaluation unit that integrates the analysis results of the biological data analysis means and the positive / negative analysis means to estimate the sensitivity comprehensively. The control unit of the information processing device
A biological data analysis unit that determines a candidate group of sensibility factors held by the subject from the biological data obtained from the acquisition unit that acquires the reaction of the sympathetic nervous system and the parasympathetic nervous system;
From the information obtained from the subject, a positive / negative analysis unit for determining whether the subject's internal state is pleasant or unpleasant,
A recording medium storing a sensitivity evaluation program that is operated as a comprehensive evaluation unit that comprehensively estimates sensitivity by integrating the analysis results of the biological data analysis means and the positive / negative analysis means.

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